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Class Information
Number: 568/422
Name: Organic compounds -- part of the class 532-570 series > Organic compounds (class 532, subclass 1) > Oxygen containing (e.g., perchlorylbenzene, etc.) > Aldehydes > With preservative or stabilizer > Formaldehyde with preservative or stabilizer
Description: Products which contain, as illustrated below, (formaldehyde) in admixture with a preserving or stabilizing agent.

Patents under this class:

Patent Number Title Of Patent Date Issued
7273955 Method for thermal stabilization of highly concentrated formaldehyde solutions Sep. 25, 2007
7193115 Highly concentrated formaldehyde solution, production and reaction thereof Mar. 20, 2007
6362305 Method for producing formaldehyde from methanol Mar. 26, 2002
6319683 Method and composition for controlling formaldehyde fixation by delayed quenching Nov. 20, 2001
6229053 Method for purification of formaldehyde, use thereof and plastics produced therewith May. 8, 2001
6150563 Aliphatic alkanals with improved storage stability and method of improving the storage stability Nov. 21, 2000
5986146 Process and reactor for heterogeneous exothermic synthesis of formaldehyde Nov. 16, 1999
5959154 Process for heterogeneous exothermic synthesis of formaldehyde Sep. 28, 1999
5912389 Stabilizer and stabilizing method for aqueous aliphatic aldehyde solution Jun. 15, 1999
5898087 Addition of amine to improve parafomaldehyde Apr. 27, 1999
5175373 Process for preparing cyclocitral Dec. 29, 1992
5171894 Method for producing stabilized solutions of formaldehyde with methanol Dec. 15, 1992
4730084 Process for the preparation of dodecamethylenebismelamine and the use thereof Mar. 8, 1988
4599456 Novel aldehyde-phosphine compositions and uses therefor Jul. 8, 1986
4546205 Stabilization of aldehydes Oct. 8, 1985
4526998 Deodorized formalin Jul. 2, 1985
4492643 Bismelamine stabilizers Jan. 8, 1985
4443354 Sorbent material for reducing formaldehyde emission Apr. 17, 1984
4397756 Method and composition for reduction of formaldehyde emission in wood composite panels Aug. 9, 1983
4390727 Process for preparing stable aqueous suspensions of formaldehyde Jun. 28, 1983
4389333 Bisguanamine Jun. 21, 1983
4289912 Stabilization of liquid paraformaldehyde Sep. 15, 1981
4285811 Purification of formaldehyde by separation Aug. 25, 1981
4247487 Stabilized formaldehyde solutions Jan. 27, 1981
4085079 Formaldehyde solutions stabilized with interpolymers of vinyl acetate, vinyl acetal and vinyl alcohol Apr. 18, 1978
4001337 Stabilized aqueous formaldehyde solutions and process for their manufacture Jan. 4, 1977

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